Home / 1,130,790.45-1,560,472.69-621,481.89

Finding the Fourth Proportional to 1,130,790.45, 1,560,472.69 and 621,481.89

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Solution

The fourth proportional to 1,130,790.45, 1,560,472.69 and 621,481.89 is: 857,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,790.45 : 1,560,472.69 = 621,481.89 : x
  2. Step 2: Convert to fraction form
    1,130,790.45/1,560,472.69 = 621,481.89/x
  3. Step 3: Cross multiply
    1,130,790.45x = 1,560,472.69 × 621,481.89
  4. Step 4: Simplify right side
    1,130,790.45x = 969,805,516,674.58
  5. Step 5: Solve for x
    x = 969,805,516,674.58/1,130,790.45
  6. Step 6: Final answer
    x = 857,635.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.